Immunoassay matrix



FIG. 1 is a perspective view of an immunoassay matrix showing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being the same in appearance;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a second embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed;

FIG. 6 is a third embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed. 

The ornamental design for an immunoassay matrix, as shown and described. 